<!--学生管理-->
<template>
  <div class="app-container">
    <el-form ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="切换班级">
        <el-cascader
          v-model="queryParams.gradeId"
          placeholder="请选择班级"
          filterable
          :options="data"
          :show-all-levels="false"
          :props="{emitPath:false}"
          style="width: 200px"
          @change="handleChange"
        ></el-cascader>
      </el-form-item>
    </el-form>
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['system:stumange:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-export" size="mini" @click="gets"
          v-hasPermi="['system:stumange:export']">导出</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
          v-hasPermi="['system:user:import']"
          >导入学生信息</el-button
          >
      </el-col>
     
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="stumangeList" @selection-change="handleSelectionChange">
      <div slot="empty" style="text-align: left;">
        <el-empty description="哎呀，你是不是忘记查询啦！" />
      </div>
      <!-- <el-table-column type="selection" width="55" align="center" /> -->
      <el-table-column label="学号" align="center" prop="stuId" />
      <!-- <el-table-column label="头像" align="center" prop="avatar" /> -->
      <el-table-column label="姓名" align="center" prop="stuName" />
      <el-table-column label="性别" align="center" prop="sex" :formatter="formatSex" />
      <el-table-column label="身份证号" align="center" prop="idCard" />
      <el-table-column label="父亲姓名" align="center" prop="fatherName" />
      <el-table-column label="父亲联系电话" align="center" prop="fatherNumber" />
      <el-table-column label="母亲姓名" align="center" prop="motherName" />
      <el-table-column label="母亲联系电话" align="center" prop="motherNumber" />
      <el-table-column label="帐号状态" align="center" prop="status" :formatter="formatStatus" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['system:stumange:edit']">修改</el-button>
          <!-- <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['system:stumange:remove']">删除</el-button> -->
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="110px">
        <!-- <el-form-item label="头像" prop="avatar">
          <el-input v-model="form.avatar" placeholder="请输入头像" />
        </el-form-item> -->
        <el-form-item label="姓名" prop="stuName">
          <el-input v-model="form.stuName" placeholder="请输入姓名" />
        </el-form-item>
        <!-- <el-form-item label="性别" prop="sex">
          <el-input v-model="form.sex" placeholder="性别" />
        </el-form-item> -->
        <el-form-item label="性别" prop="sex">
          <el-select
            v-model="form.sex"
            placeholder="请选择性别"
            style="width: 350px"
          >
            <el-option label="男" value="0"></el-option>
            <el-option label="女" value="1"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="班级" prop="gradeId">
          <!-- <el-input v-model="form.gradeId" placeholder="请输入班级" /> -->
          <el-cascader
            v-model="form.gradeId"
            placeholder="请选择任课班级"
            filterable
            :options="data"
            :props="{emitPath:false}"
            :show-all-levels="false"
            style="width: 350px"
          ></el-cascader>
        </el-form-item>
        <!-- <el-form-item label="学号" prop="stuId" v-if="open2 == true">
          <el-input v-model="form.stuId" placeholder="请输入学号" />
        </el-form-item> -->
        <el-form-item label="身份证号" prop="idCard">
          <el-input v-model="form.idCard" placeholder="请输入身份证号" />
        </el-form-item>
        <el-form-item label="父亲姓名" prop="fatherName">
          <el-input v-model="form.fatherName" placeholder="请输入父亲姓名" />
        </el-form-item>
        <el-form-item label="父亲联系电话" prop="fatherNumber">
          <el-input v-model="form.fatherNumber" placeholder="请输入父亲联系电话" />
        </el-form-item>
        <el-form-item label="母亲姓名" prop="motherName">
          <el-input v-model="form.motherName" placeholder="请输入母亲姓名" />
        </el-form-item>
        <el-form-item label="母亲联系电话" prop="motherNumber">
          <el-input v-model="form.motherNumber" placeholder="请输入母亲联系电话" />
        </el-form-item>
        <el-form-item label="状态" prop="status" v-if="open2 == true">
          <!-- <el-input v-model="form.status" placeholder="请输入状态" /> -->
          <el-select
            v-model="form.status"
            placeholder="请选择状态"
            style="width: 350px"
          >
            <el-option label="正常" value="0"></el-option>
            <el-option label="停用" value="1"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

  <!-- 用户导入教师账号对话框 -->
  <el-dialog
   :title="upload.title"
   :visible.sync="upload.open"
   width="400px"
   append-to-body
  >
   <el-upload
    ref="upload"
    :limit="1"
    accept=".xlsx, .xls"
    :headers="upload.headers"
    :action="upload.url + '?updateSupport=' + upload.updateSupport"
    :disabled="upload.isUploading"
    :on-progress="handleFileUploadProgress"
    :on-success="handleFileSuccess"
    :auto-upload="false"
    drag
   >
    <i class="el-icon-upload"></i>
    <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
    <div class="el-upload__tip text-center" slot="tip">
     <div class="el-upload__tip" slot="tip">
      <el-checkbox v-model="upload.updateSupport" />
      是否更新已经存在的用户数据
     </div>
     <span>仅允许导入xls、xlsx格式文件。</span>
     <el-link
      type="primary"
      :underline="false"
      style="font-size: 12px; vertical-align: baseline"
      @click="importTemplate"
      >下载教师账号模板</el-link
     >
    </div>
   </el-upload>
   <div slot="footer" class="dialog-footer">
    <el-button type="primary" @click="submitFileForm">确 定</el-button>
    <el-button @click="upload.open = false">取 消</el-button>
   </div>
  </el-dialog>
  </div>
</template>

<script>
import { listStumange, getStumange, delStumange, addStumange, updateStumange, getdownloadFile, getClassGrade } from "@/api/system/stumange";
import { getToken } from "@/utils/auth";
export default {
  name: "Stumange",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 表格数据
      stumangeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      open2: true,
      // 查询参数
      queryParams: {
        gradeId: 202101,
        pageNum: 1,
        pageSize: 10,
      },
      // 表单参数
      form: [],
      // 表单校验
      rules: {
      },
      // 用户导入参数
      upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/studentManage/import",
      },
      dialogVisible3: false,
      data: [],
    };
  },
  created() {
    this.getList();
    this.getclassyear();
  },
  methods: {
    handleChange(value) {
      // sessionStorage.setItem("gradeId2", value);
      this.queryParams.gradeId = value;
      this.getList();
    },
    //查询班级列表
    async getclassyear() {
      const res = await getClassGrade();
      this.data = Object.keys(res).map((key) => {
        let obj = {
          vlaue: key-0,
          label: key-0,
          children: res[key].map((childKey) => ({
            value: childKey,
            label: childKey,
          })),
        };
        return obj;
      });

    },
    //表格中性别数据处理
    formatSex(row, column, cellValue) {
      if (cellValue === "1") {
        return "女";
      } else if (cellValue === "0") {
        return "男";
      }
    },
    formatStatus(row, column, cellValue) {
      if (cellValue === "1") {
        return "停用";
      } else if (cellValue === "0") {
        return "正常";
      }
    },
    /** 查询学生管理列表 */
    getList() {
      this.loading = true;
      // this.queryParams.gradeId = sessionStorage["gradeId2"];
        listStumange(this.queryParams).then(response => {
        this.stumangeList = response.rows;
        this.total = response.total;
        this.loading = false;
      }) .catch(err => {
          this.stumangeList=[];
        })
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        stuId: null,
        avatar: null,
        stuName: null,
        sex: null,
        idCard: null,
        fatherName: null,
        fatherNumber: null,
        motherName: null,
        motherNumber: null,
        status: "0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.stuId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.open2 = false;
      this.title = "添加学生记录";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const stuId = row.stuId || this.ids
      getStumange(stuId).then(response => {
        this.form = response
        this.open = true;
        this.open2 = true;
        this.title = "修改学生记录";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.stuId != null) {
            this.form.gradeId= this.form.gradeId
            updateStumange(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStumange(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const stuIds = row.stuId || this.ids;
      this.$modal.confirm('是否确认删除【请填写功能名称】编号为"' + stuIds + '"的数据项？').then(function () {
        return delStumange(stuIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    async gets() {
      const data = await getdownloadFile(this.queryParams.gradeId);
      let fileName = "学生导出模板" + ".xls";
      let blob = new Blob([data], {
        type: "application/vnd.ms-excel",
      });
      // 浏览器兼容性能力检测
      if (window.navigator.msSaveOrOpenBlob) {
        window.navigator.msSaveOrOpenBlob(blob, fileName);
      } else {
        let requestUrl = URL.createObjectURL(blob);
        let downlondTag = document.createElement("a");
        document.body.appendChild(downlondTag);
        downlondTag.href = requestUrl;
        downlondTag.download = fileName;
        downlondTag.click();
        downlondTag.remove();
      }
    },
    /** 导入学生信息按钮操作 */
      handleImport() {
   this.upload.title = "学生信息导入";
   this.upload.open = true;
  },
  /** 下载学生信息模板操作 */
  importTemplate() {
   this.download(
        "/studentManage/exportMoodle",
        {},
        `user_template_${new Date().getTime()}.xlsx`
   );
  },
  // 文件上传中处理
  handleFileUploadProgress(event, file, fileList) {
   this.upload.isUploading = true;
  },
  // 文件上传成功处理
  handleFileSuccess(response, file, fileList) {
   this.upload.open = false;
   this.upload.isUploading = false;
   this.$refs.upload.clearFiles();
   this.$alert(
    "<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" +
     response.msg +
     "</div>",
    "导入结果",
    { dangerouslyUseHTMLString: true }
   );
   this.getList();
  },
  // 提交上传文件
  submitFileForm() {
   this.$refs.upload.submit();
  },
  }
};
</script>
